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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair value of swap in asset position |  |  | $ 12,560 | $ 16,977
Fair value of swap in short-term liabilities |  |  | 8,188 | 6,316
Fair value of swap in long-term asset |  |  | 4,372 | 10,661
Effective portion of unrealized gains recorded in OCI |  |  | 27 | 323
Gain (loss) of hedge on operations |  |  | 542 | 5,252
Long term bank deposit amount |  |  | 12,500 | 12,500
Marketable securities | [1] |  | 190,068 | 188,967
Short term deposit |  |  | 363,648 | 310,230
Investment income (expense) |  |  | 2,963 | 358
Subsequent Event [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Amount of loss expected to be reclassified into earnings currently recorded as other comprehensive income, as a result of the maturity of currently held forward exchange contracts |  | $ 56 |  |
Tower US Holdings [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair value liability face amount |  |  | 164,000 | 40,000
Fair value of derivative liabilities |  |  | 3,040 | 150
Tower and Jazz Debentures [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair value of debentures |  |  | 66,000 | 107,000
Carrying amount |  |  | 64,000 | 102,000
Fair value liability face amount |  |  | 67,500 | 51,000
Fair value of derivative assets |  |  | $ 2,134 | $ 5,143
[1] | Marketable securities are available-for-sale securities presented at fair value, net of an immaterial allowance for credit losses; the amortized cost of such marketable securities is $189,543 and $187,719 as of December 31, 2021 and December 31, 2020, respectively.

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